In a 'Harry Potter runs away' crossover fanfiction, Luna Lovegood would be an excellent addition. Her unique perspective on the world of magic could bring a fresh element. If it's a crossover with the Star Wars universe, Obi - Wan Kenobi would be a good character. He could teach Harry about different forms of discipline and the Force (comparable to magic in some ways). And of course, Ron Weasley, as Harry's best friend, would likely be involved, adding his loyalty and humor to the story.
Hermione could be a great character to include. Since she's Harry's friend, she might follow him in his runaway adventure. In a crossover with the Marvel universe, Iron Man could be interesting. His high - tech gadgets and quick thinking would contrast with Harry's magic. Also, Aragorn from The Lord of the Rings could be included. His leadership skills and combat abilities would be useful in any dangerous situations they encounter.
Perhaps he'll meet a mysterious old wizard who lives in a secluded temple in the mountains. This wizard could be a master of ancient Japanese magic and could teach Harry about the spiritual side of magic that is deeply ingrained in Japanese culture. Harry might also meet a group of young Japanese witches who are training to become magical healers. They could share their knowledge of Japanese magical plants and how to use them for healing, which would be very different from the healing methods Harry learned at Hogwarts.
He could meet American witches and wizards. Maybe a young and adventurous American wizard who shows him around the American magical world.
Obviously, the Weasley twins themselves are essential. But also including Hermione would be great. She could be the voice of reason when the twins get too carried away with their pranks in the crossover world. Her intelligence and knowledge of magic could help them out of many tricky situations.
Well, in a crossover with the Percy Jackson universe for 'Harry Potter runs away' fanfiction, Harry could end up at Camp Half - Blood. He'd be a bit of an oddity with his wand and different magic system. The demigods would be both intrigued and cautious. He might have to prove himself in a quest alongside them. It could be a story about different forms of magic colliding and him finding a new family among the demigods.
Hermione would be a great character to include. Her intelligence and research skills could help Harry understand the new aspects of the Master of Death in a crossover situation. For example, if they cross into a world where the magic is based on different principles, Hermione could quickly analyze and adapt.
In this fanfiction, Harry could discover a whole new magical world in Japan. He might encounter Japanese magical creatures like the tanuki which has magical abilities in Japanese folklore. He could also study different forms of magic that are unique to Japan, such as some types of onmyodo magic. And perhaps he'd make new friends among Japanese wizards and witches who have a different culture and approach to magic compared to those in the UK.
In this fanfiction, perhaps Harry Potter would find the small town of Forks very different from the wizarding world. He might be intrigued by the normal, yet somehow mysterious human life there. He could make new friends who have no idea about magic and have to keep his own identity a secret to avoid chaos.
Perhaps she would form her own group of allies. These could be other outcasts from the wizarding world. They would work together to fight against the dark forces that she was running from in the first place. It could lead to some epic battles and a lot of character growth.
One possible plot could be that Harry and Fleur run away to escape the chaos of the wizarding world. Maybe they go to a far - off land where they can live in peace and explore magic on their own terms. They might discover new spells and magical creatures together.
Well, one possibility is that Harry gets tired of all the danger and attention in the UK wizarding world. He might stow away on a ship or use magic to transport himself to America. Once there, he could discover new magical creatures and spells unique to America. Maybe he'd meet some American wizards who have a different approach to magic compared to the British.